>AF_AFP57515F1_1|Chain A|Thymidylate synthase|Buchnera aphidicola subsp. Acyrthosiphon pisum (strain APS) (107806) MKQYIKLIKKIIRVGNQKKDRTGTGTLSIFGYNMKFDLKKGFPLLTTKKCHIASIIYELLWFLKGDTNISYLNENKISIWNNWANESGDVGPIYGKQWRNWSTPEGHEIDQIKNVLIQLKKNPDSRRMLVSSWNVGDIDKMRLPPCHVLFQFYVFNNTLSCQLYQRSCDVFLGLPFNIASYSILIHMIAQQCDLKVGDFLWTGGDVHLYNNHIELAKKQILRIPRTLPKLTILKKPQSLFQYCFEDFKIIGYHPYPAIKGEISI